/**
* Generate the node required for the info display
* @param {object} oSettings dataTables settings object
* @returns {node} Information element
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlInfo ( oSettings )
{
var nInfo = document.createElement( 'div' );
nInfo.className = oSettings.oClasses.sInfo;
/* Actions that are to be taken once only for this feature */
if ( !oSettings.aanFeatures.i )
{
/* Add draw callback */
oSettings.aoDrawCallback.push( {
"fn": _fnUpdateInfo,
"sName": "information"
} );
/* Add id */
nInfo.id = oSettings.sTableId+'_info';
}
oSettings.nTable.setAttribute( 'aria-describedby', oSettings.sTableId+'_info' );
return nInfo;
}
/**
* Update the information elements in the display
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnUpdateInfo ( oSettings )
{
/* Show information about the table */
if ( !oSettings.oFeatures.bInfo || oSettings.aanFeatures.i.length === 0 )
{
return;
}
var
oLang = oSettings.oLanguage,
iStart = oSettings._iDisplayStart+1,
iEnd = oSettings.fnDisplayEnd(),
iMax = oSettings.fnRecordsTotal(),
iTotal = oSettings.fnRecordsDisplay(),
sOut;
if ( iTotal === 0 )
{
/* Empty record set */
sOut = oLang.sInfoEmpty;
}
else {
/* Normal record set */
sOut = oLang.sInfo;
}
if ( iTotal != iMax )
{
/* Record set after filtering */
sOut += ' ' + oLang.sInfoFiltered;
}
// Convert the macros
sOut += oLang.sInfoPostFix;
sOut = _fnInfoMacros( oSettings, sOut );
if ( oLang.fnInfoCallback !== null )
{
sOut = oLang.fnInfoCallback.call( oSettings.oInstance,
oSettings, iStart, iEnd, iMax, iTotal, sOut );
}
var n = oSettings.aanFeatures.i;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
$(n[i]).html( sOut );
}
}
function _fnInfoMacros ( oSettings, str )
{
// When infinite scrolling, we are always starting at 1. _iDisplayStart is used only
// internally
var
iStart = oSettings.oScroll.bInfinite ? 1 : oSettings._iDisplayStart+1,
sStart = oSettings.fnFormatNumber( iStart ),
iEnd = oSettings.fnDisplayEnd(),
sEnd = oSettings.fnFormatNumber( iEnd ),
iTotal = oSettings.fnRecordsDisplay(),
sTotal = oSettings.fnFormatNumber( iTotal ),
iMax = oSettings.fnRecordsTotal(),
sMax = oSettings.fnFormatNumber( iMax );
return str.
replace(/_START_/g, sStart).
replace(/_END_/g, sEnd).
replace(/_TOTAL_/g, sTotal).
replace(/_MAX_/g, sMax);
}
|